Home / 39,861,352.14-55,008,665.50-21,526,637.64

Finding the Fourth Proportional to 39,861,352.14, 55,008,665.50 and 21,526,637.64

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Solution

The fourth proportional to 39,861,352.14, 55,008,665.50 and 21,526,637.64 is: 29,706,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861,352.14 : 55,008,665.50 = 21,526,637.64 : x
  2. Step 2: Convert to fraction form
    39,861,352.14/55,008,665.50 = 21,526,637.64/x
  3. Step 3: Cross multiply
    39,861,352.14x = 55,008,665.50 × 21,526,637.64
  4. Step 4: Simplify right side
    39,861,352.14x = 1,184,151,609,003,426.25
  5. Step 5: Solve for x
    x = 1,184,151,609,003,426.25/39,861,352.14
  6. Step 6: Final answer
    x = 29,706,759.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.